ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
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Apg
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0-9
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Grayish brown (10YR5/2) fine sandy loam; weak fine subangular blocky structure; friable, nonsticky and nonplastic; many fine and few medium and coarse roots; strongly acid (field pH 5.5); gradual smooth boundary. |
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BAg
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9-26
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Light brownish gray to light gray (10YR6-7/2) fine sandy loam; many medium prominent reddish yellow (7.5YR6/6) mottles; weak fine to medium subangular blocky structure; slightly hard, friable, nonsticky and nonplastic; common fine and few medium roots; strongly acid (field pH 5.5); gradual smooth boundary. |
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Btg
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26-50
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Light brownish gray to light gray (10YR6-7/2) sandy loam; many coarse prominent reddish yellow (7.5YR6/6) mottles; moderate medium subangular blocky structure; slightly hard, friable, nonsticky and nonplastic; patchy thin clay coating on ped faces; few fine and few medium roots; strongly acid (field pH 5.5); clear smooth boundary. |
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Btgv1
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50-74
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Light brownish gray (10YR6/2) sandy clay loam; common medium prominent dark red (2.5YR3/6) and strong brown (7.5YR5/6) mottles; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; broken moderately thick clay coating on ped faces; plinthite more than 10 –20 % by volume of the soil matrix; few fine and few medium roots; very strongly acid (field pH 5.0); clear smooth boundary. |
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Btgv2
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74-110
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Gray to light gray (10YR5-6/1) sandy clay loam; many coarse prominent red to yellowish red (2.5-5YR5/6) mottles; moderate medium to coarse subangular blocky structure; hard, firm, sticky and slightly plastic; continuous thick clay coating on ped faces; plinthite more than 50% by volume of the soil matrix or continuous phase; few fine and medium roots; very strongly acid (field pH 5.0). |
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